Los Angeles (LAX) to Salt Lake City (SLC): On-Time Performance
Data through May 2026
Los Angeles (LAX) to Salt Lake City (SLC) effectively runs on two schedules. In November 2024, 96% of arrivals were on time; in July 2024 that fell to 80% — a 16-point seasonal swing. Across the full period the route averages 89% on-time against a national 78%.
- On-time
- 89%
- arrived <15 min late
- Avg delay
- 8 min
- completed flights
- Cancelled
- 0.4%
- Flights/day
- 11
- last 12 months
- Duration
- 1h 56m
- scheduled
- Distance
- 590 mi
Best airline from LAX to SLC
7 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlinesmost reliable | 90% | 8 min | 0.0% | 1,423 |
| Delta Air Lines | 89% | 8 min | 0.5% | 4,916 |
| United Airlines | 89% | 8 min | 0.0% | 149 |
| Southwest Airlines | 88% | 6 min | 0.3% | 749 |
| JetBlue Airways | 85% | 11 min | 0.0% | 160 |
| Frontier Airlines | 85% | 11 min | 0.7% | 591 |
| Spirit Airlines | 81% | 12 min | 1.7% | 231 |
Monthly on-time trend
Best time to fly from LAX to SLC
Aim for departures around 6 a.m. (95% on-time); avoid 3 p.m. departures (77%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 88% | 8 min |
| Tuesdaybest | 92% | 7 min |
| Wednesday | 90% | 8 min |
| Thursday | 89% | 9 min |
| Friday | 87% | 9 min |
| Saturday | 88% | 7 min |
| Sunday | 85% | 10 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft39%
- Airline operations54%
- National airspace system6%
- Weather1%
Frequently asked questions
- How often are flights from LAX to SLC delayed?
- 11% of LAX–SLC flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 8 minutes.
- Which airline is most reliable from LAX to SLC?
- SkyWest Airlines has the best on-time record on this route at 90%, based on 1,423 flights. 7 airlines flew LAX–SLC frequently enough to compare in this period.
- What is the best time of day to fly from LAX to SLC?
- Departures around 6 a.m. have the best record (95% on-time), while departures around 3 p.m. have the worst (77%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from LAX to SLC?
- The scheduled LAX–SLC flight time averages 1h 56m over 590 miles. Actual arrival times vary — flights on this route land 15+ minutes late 11% of the time.
- How often are LAX to SLC flights cancelled?
- 0.4% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from LAX to SLC?
- July 2024 was the roughest month in this dataset, with only 80% of arrivals on time. The best was November 2024 at 96%. If your dates are flexible, that 16-point gap is worth planning around.
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Based on 8,220 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.